can u separate ln (7+x) into ln7+lnx?

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19-11-2016
Mathematics

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can u separate ln (7+x) into ln7+lnx?

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HomertheGenius HomertheGenius · Answer 1 · 2016-11-20T21:31:46+01:00

HomertheGenius HomertheGenius

20-11-2016

No, you can not separate:
ln ( 7 + x ) ≠ ln 7 + ln x
You can separate just if you have a logarithm of multiplication.
For example:
ln ( 7 · x ) = ln 7 + ln x

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